78617484 ÷ 990 
We're looking to find how many times 990 goes into 78617484.

On to step 1:
If we divide 7 by 990, we get 0 and a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Fetch the next digit (8) from the dividend, attach it to 7 and continue: 78 / 990

Advancing to step 2:
990 can be fit into 78 0 times, resulting in a remainder of 78.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 78, we get 78.
Bring next digit (6) of the dividend behind the 78 and repeat the process: 786 / 990

Step 3:
990 can be fit into 786 0 times, resulting in a remainder of 786.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 786 and we're left with 786.
Include the next digit (1) from the dividend after 786, then repeat: 7861 / 990

Step 4:
When dividing 7861 by 990, we get 7 with a remainder of 931.
The next digit of our result is 7. 
Result so far: 7.0
Subtracting 6930 from 7861 leaves us with 931.
Bring next digit (7) of the dividend behind the 931 and repeat the process: 9317 / 990

Step 5:
The number 990 fits into 9317 9 times, leaving a remainder of 407.
The number 9 becomes the next digit in our result. 
Result so far: 79.0
The remainder is 407 after subtracting 8910 from 9317.
Append the next digit (4) from the dividend to 407 and continue with: 4074 / 990

Moving on to step 6:
The number 990 fits into 4074 4 times, leaving a remainder of 114.
The number 4 becomes the next digit in our result. 
Result so far: 794.0
If we subtract 3960 from 4074, we get 114.
Bring next digit (8) of the dividend behind the 114 and repeat the process: 1148 / 990

Advancing to step 7:
When dividing 1148 by 990, we get 1 with a remainder of 158.
Write down 1 as next digit of the result. 
Result so far: 7941.0
If we subtract 990 from 1148, we get 158.
Fetch the next digit (4) from the dividend, attach it to 158 and continue: 1584 / 990

Step 8:
If we divide 1584 by 990, we get 1 and a remainder of 594.
The number 1 becomes the next digit in our result. 
Result so far: 79411.0
If we subtract 990 from 1584, we get 594.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5940, and continue the process.

Advancing to step 9:
990 goes into 5940 6 times with a remainder of 0.
Put 6 as the next digit of the answer. 
Result so far: 79411.6
Subtracting 5940 from 5940 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 10:
When dividing 0 by 990, we get 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 79411.6
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 11:
The number 990 fits into 0 0 times, leaving a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 79411.6
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The quotient of the division is 79411.6, and the remainder is 0.0.